From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx205.postini.com [74.125.245.205]) by kanga.kvack.org (Postfix) with SMTP id D09986B0006 for ; Tue, 2 Apr 2013 01:31:47 -0400 (EDT) Message-ID: <515A6D40.90702@southpole.se> Date: Tue, 02 Apr 2013 07:31:44 +0200 From: Jonas Bonn MIME-Version: 1.0 Subject: Re: [PATCH v3, part4 26/39] mm/openrisc: prepare for removing num_physpages and simplify mem_init() References: <1364313298-17336-1-git-send-email-jiang.liu@huawei.com> <1364313298-17336-27-git-send-email-jiang.liu@huawei.com> In-Reply-To: <1364313298-17336-27-git-send-email-jiang.liu@huawei.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Jiang Liu Cc: Andrew Morton , David Rientjes , Jiang Liu , Wen Congyang , Mel Gorman , Minchan Kim , KAMEZAWA Hiroyuki , Michal Hocko , James Bottomley , Sergei Shtylyov , David Howells , Mark Salter , Jianguo Wu , linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Arnd Bergmann , linux@lists.openrisc.net On 03/26/2013 04:54 PM, Jiang Liu wrote: > Prepare for removing num_physpages and simplify mem_init(). > > Signed-off-by: Jiang Liu > Cc: Jonas Bonn > Cc: David Howells > Cc: Arnd Bergmann > Cc: linux@lists.openrisc.net > Cc: linux-kernel@vger.kernel.org Tested and works fine on OpenRISC. Acked-by: Jonas Bonn /Jonas > --- > Hi all, > Sorry for my mistake that my previous patch series has been screwed up. > So I regenerate a third version and also set up a git tree at: > git://github.com/jiangliu/linux.git mem_init > Any help to review and test are welcomed! > > Regards! > Gerry > --- > arch/openrisc/mm/init.c | 44 ++++---------------------------------------- > 1 file changed, 4 insertions(+), 40 deletions(-) > > diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c > index 71d6b40..f3c8f47 100644 > --- a/arch/openrisc/mm/init.c > +++ b/arch/openrisc/mm/init.c > @@ -191,56 +191,20 @@ void __init paging_init(void) > > /* References to section boundaries */ > > -static int __init free_pages_init(void) > -{ > - int reservedpages, pfn; > - > - /* this will put all low memory onto the freelists */ > - free_all_bootmem(); > - > - reservedpages = 0; > - for (pfn = 0; pfn < max_low_pfn; pfn++) { > - /* > - * Only count reserved RAM pages > - */ > - if (PageReserved(mem_map + pfn)) > - reservedpages++; > - } > - > - return reservedpages; > -} > - > -static void __init set_max_mapnr_init(void) > -{ > - max_mapnr = num_physpages = max_low_pfn; > -} > - > void __init mem_init(void) > { > - int codesize, reservedpages, datasize, initsize; > - > BUG_ON(!mem_map); > > - set_max_mapnr_init(); > - > + max_mapnr = max_low_pfn; > high_memory = (void *)__va(max_low_pfn * PAGE_SIZE); > > /* clear the zero-page */ > memset((void *)empty_zero_page, 0, PAGE_SIZE); > > - reservedpages = free_pages_init(); > - > - codesize = (unsigned long)&_etext - (unsigned long)&_stext; > - datasize = (unsigned long)&_edata - (unsigned long)&_etext; > - initsize = (unsigned long)&__init_end - (unsigned long)&__init_begin; > + /* this will put all low memory onto the freelists */ > + free_all_bootmem(); > > - printk(KERN_INFO > - "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, %dk init, %ldk highmem)\n", > - (unsigned long)nr_free_pages() << (PAGE_SHIFT - 10), > - max_mapnr << (PAGE_SHIFT - 10), codesize >> 10, > - reservedpages << (PAGE_SHIFT - 10), datasize >> 10, > - initsize >> 10, (unsigned long)(0 << (PAGE_SHIFT - 10)) > - ); > + mem_init_print_info(NULL); > > printk("mem_init_done ...........................................\n"); > mem_init_done = 1; -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org